| Acronym | Meaning |
| VNTR | Variable No. Of Tandem Repeat |
| QBO | Quantitative Basis Orbital (an MO Or AO) |
| ECS-EP | Energy-corrected Sudden-exponential Polynomial (scaling Law) |
| APC | Antigen Presenting Cell |
| AF | Audio Frequency |
| QCT-IEQMT | Quasiclassical Trajectory-internal Energy Quantum Mechanical Threshold |
| FHBS | Finite Hilbert Basis Set |
| GANC | Generalized Acid Neutralization Capacity Test |
| F4 | Fourth-order Feenberg (quantum Theory) |
| ADAM | Average Depleted Antarctic Meltwater |